Scream'n 318 ?

did you have your block drilled? I think a guy has to replace the cam bearing also for the drilled oil passage to work?

No, going with stock Roller lifters and Cheby 1.6:1 rockers (Assualt) on my Eldy Magnum NHRA heads.Oiling thru the pushrods.
Eldy NHRA Mag 1.jpg Assualt Rocker 2.jpg